Automatic spray gun



FIG. 1 is a perspective view of an automatic spray gun in accordance with the present design;

FIG. 2 is a front view according to the present design;

FIG. 3 is a back view according to the present design;

FIG. 4 is a side view generally taken from the right side of FIG. 1;

FIG. 5 is a side view of the opposite side;

FIG. 6 is a top view of the present design;

FIG. 7 is a bottom view of the present design; and,

FIG. 8 is a reference view of the present design.

The broken line showing is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for an automatic spray gun, as shown and described. 